Car Wiring Diagrams for Park brake system circuit for GMC Terrain II facelift (2021-2024)

B+ VOLT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ELECTRONIC BRAKE CONTROL MODULE (LEFT REAR OF ENGINE COMPT) GRN/BLK WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (1) PARK BRK RELEASE SW VOLT REF HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 2 SER DATA COMM ENABLE HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT PARK BRAKE ACTUATOR LH PARK BRK MTR APPLY CTRL LIN SERIAL DATA BUS 2 LOGIC PARK BRAKE APPLY SW VOLT REF PARK BRAKE SW SPLY VOLT PARK BRAKE SWITCH PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK SW SIG PARK IND RED/VIO WIRE RED/WHT WIRE RH PARK BRAKE MOTOR LOW REF LH PARK BRK MTR LOW REF RH PARK BRK MTR APPLY CTRL RIGHT PARK BRAKE ACTUATOR SERVICE PARK BRAKE IND UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE